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Team 2
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Teams
Name
Score
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15
×
Which device converts electrical signal into sound?
Loudspeaker
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15
×
Which type of UV causes wrinkles?
UV-A
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thief
Give points!
5
10
15
20
25
×
shark
Other team loses 25 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
banana
Go to last place!
Oops!
15
×
What kind of mirror is used in cars to give the driver a wider area and smaller image of traffic behind him?
Convex
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15
×
Which of the following medical processes uses gamma rays to treat cancer patients?
Gamma Radiation
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15
×
Which electromagnetic wave has the longest wavelength?
Radiowave
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15
×
In a convex mirror, how does the size of the image compare to the size of the object?
Smaller
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15
×
Which set of electromagnetic waves are ionizing?
UV, X-ray, Gamma Ray
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15
×
What type of mirror do dentists usually use to see our teeth?
Concave
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15
×
LASER stands for _______________.
Light Amplification by Stimulated Emission of Radiation
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15
×
When parallel rays of light strike a concave mirror, where do they appear to converge after reflection?
At the Focus
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thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
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rocket
Go to first place!
Okay!
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thief
Give points!
5
10
15
20
25
×
seesaw
Swap points!
Oops!
×
gold
Win 50 points!
Okay!
×
shark
Other team loses 20 points!
Okay!
×
lifesaver
Give 25 points!
Oops!
15
×
Which type of UV causes sunburn?
UV-B
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banana
Go to last place!
Oops!
×
gift
Win 15 points!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
lifesaver
Give 20 points!
Oops!
15
×
Which indicate regions of hotter temperature when using infrared?
Red and yellow
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